Climate in Phnom Penh (Phnom Penh Municipality), Cambodia

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Phnom Penh, Cambodia

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Phnom Penh, Cambodia

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Phnom Penh, Cambodia

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Phnom Penh, Cambodia

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Phnom Penh, Cambodia

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Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in Phnom Penh, Cambodia

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Weather Forecasts for Phnom Penh

Sun   Mar 03
36°C | 25°C
SE 7 km/h
partly cloudy and no rain

partly cloudy and no rain

Mon   Mar 04
36°C | 25°C
S 11 km/h
partly cloudy and no rain

partly cloudy and no rain

Tue   Mar 05
37°C | 25°C
S 11 km/h
almost clear and no rain

almost clear and no rain

The best time of year to visit Phnom Penh in Cambodia

Phnom Penh in Cambodia has a tropical moonson climate with a dry period from the end of November until the end of April. Rainy season starts in May and ends in November. Best time to visit this city temperature wise is in the European winter months from December until March.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Phnom Penh?
    Most rainfall (rainy season) is seen in May, June, July, August, September and October.
  • Does Phnom Penh have a dry season?
    Yes, the months of January and February are very dry.
  • Which is the hottest month in Phnom Penh?
    April has an average maximum temperature of 37°C and is the hottest month of the year.
  • Which is the coolest month in Phnom Penh?
    The coolest month is January with an average maximum temperature of 33°C.
  • Which is the wettest month in Phnom Penh?
    September tops the wettest month list with 252 mm of rainfall.
  • Which is the driest month in Phnom Penh?
    February is the driest month with 12 mm of precipitation.
  • Which is the sunniest month in Phnom Penh?
    March is the sunniest month with an average of 270 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.